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I have a 15 amp GFCI outlet on a circuit that has a 20 amp breaker in the fuse panel. Is it safe to replace the 15 amp GFCI outlet with a 20 amp GFCI outlet?

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If the wiring is 12 awg it is safe.

I caution folks that want to upsize parts to check the wiring because sometimes a breaker was upsized to prevent un wanted tripping.

A 20 amp GFCI really doesn't provide any thing that a 15 amp will except the ability to plug in a 20 amp device. When was the last time you saw a 20 amp plug on an appliance? They are out there but rare and the 20 amp costs more. Note they both trip at ~5 ma fault current.

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